Dr. Alexander Tyan, MD
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 2,522
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $1,306
- Practice address
- 5601 De Soto Avenue, Woodland Hills, CA 91367
- Practice phone
- Call (818) 719-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Tyan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Alexander Tyan is an internist in Woodland Hills, California
Dr. Tyan practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente.
Dr. Tyan's NPI, 1154784544, was assigned on April 1, 2016. Dr. Tyan graduated from UT Southwestern Medical Center in 2016. Dr. Tyan holds California license A150731.
- NPI
- 1154784544NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709283708
- NPI enumeration date
- April 1, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (818) 719-3800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander Tyan practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California
Dr. Tyan's primary practice is Kaiser Permanente Woodland Hills Medical Center, at 5601 De Soto Avenue, Woodland Hills, CA 91367 in Los Angeles County. The practice phone is (818) 719-3800.
- Kaiser Permanente Woodland Hills Medical Center5601 De Soto Avenue, Woodland Hills, CA 91367 · Los Angeles CountyPhone(818) 719-3800
Source: Dmand AI Affiliation Data
Dr. Alexander Tyan is affiliated with 2 sites of care and 1 medical group
Dr. Tyan's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Tyan to 1 more dialysis center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexander Tyan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tyan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Woodland Hills Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander Tyan is one of 16,751 internists in California
Internal medicine is Dr. Tyan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tyan is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine. Dr. Tyan is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes among the conditions Dr. Tyan treats.
Internists near Dr. Tyan
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alexander Tyan treated 15 Medicare patients in 2024, average age 67
CMS counts 15 Medicare patients who saw Dr. Tyan in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 2.36, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tyan's median patient age at 63, with 66% women.
Dr. Tyan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tyan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women66%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Tyan wrote 2,522 Medicare Part D claims in 2024
In 2024, Dr. Tyan wrote 2,522 Medicare Part D claims for 521 patients. 45% of them were for generic drugs. CMS names the drug for 2,284 of them, across 40 drugs with 11 or more claims each, at $787,091 in total drug cost. In 2023, CMS named 1,588 claims across 37 drugs.
Dr. Tyan's Part D claims by kind of drug, 2024
- Generic1,142 claims45%
- Brand-name1,055 claims42%
- Other325 claims13%
Dr. Tyan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5882024: 2,28444%
Drugs named by CMS: 40 in 2024, 37 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Alexander Tyan offers telehealth to Medicare patients
Dr. Tyan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tyan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Alexander Tyan has 1 publication on record
Dmand AI links 1 paper to Dr. Tyan in 2019. Dr. Tyan's most frequent co-authors are Tudor H. Hughes, MD and Karen C. McCowen, MD.
Dr. Tyan's most frequent co-authors
Recent publications by Dr. Tyan
See who Dr. Tyan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tyan works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alexander Tyan received $1,306 in industry payments from 2021 to 2025
CMS Open Payments shows 16 general payments to Dr. Tyan from 5 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 97% of the total. Dexcom, Inc. paid the most, $492.
General payments to Dr. Tyan by program year, 2021 to 2025
General payments to Dr. Tyan by kind, 2021 to 2025
- Food and beverage$1,26397%
- Education$433%
Companies that paid Dr. Tyan the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexander Tyan graduated from UT Southwestern Medical Center
Dr. Tyan graduated from UT Southwestern Medical Center in 2016.
- Medical school
- Board certified in endocrinology, diabetes and metabolism
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Alexander Tyan accepts plans from 2 insurance carriers
Dr. Tyan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Tyan accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Alexander Tyan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Alexander Tyan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Alexander Tyan's NPI number?
Dr. Alexander Tyan's NPI number is 1154784544. It was assigned on April 1, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Tyan?
Dr. Alexander Tyan is an internist in Woodland Hills, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alexander Tyan practice?
Dr. Tyan practices at 5601 De Soto Avenue, Woodland Hills, CA 91367. Dr. Tyan's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. Dmand AI also links Dr. Tyan to 1 dialysis center.
What is Dr. Alexander Tyan's office phone number?
The practice phone on file for Dr. Tyan is (818) 719-3800.
What is Dr. Alexander Tyan's medical license number?
Dr. Tyan holds California license A150731.
Which hospitals is Dr. Alexander Tyan affiliated with?
Dr. Tyan practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California.
What medical group is Dr. Alexander Tyan part of?
Dr. Tyan is linked to Southern California Permanente Medical Group.
Does Dr. Alexander Tyan accept Medicare?
Yes. CMS lists Dr. Tyan as accepting Medicare assignment.
Does Dr. Alexander Tyan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Tyan as offering telehealth services.
How many Medicare patients does Dr. Alexander Tyan see?
CMS counts 15 Medicare patients who saw Dr. Tyan in 2024, with an average age of 67.
Show 8 more questionsShow fewer questions
Is Dr. Alexander Tyan board certified?
Yes. Dr. Tyan is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine.
Where did Dr. Alexander Tyan go to medical school?
Dr. Tyan graduated from UT Southwestern Medical Center in 2016.
What drugs does Dr. Alexander Tyan prescribe most?
In 2024 Medicare Part D data, Dr. Tyan's most prescribed drugs by claims were Levothyroxine Sodium, Ozempic and Nano 2nd Gen Pen Needle.
Has Dr. Alexander Tyan received payments from drug or device companies?
CMS Open Payments shows $1,306 in general payments to Dr. Tyan from 5 companies from 2021 to 2025. The largest total came from Dexcom, Inc.
How long has Dr. Alexander Tyan been practicing?
Dr. Tyan graduated from medical school in 2016, 10 years ago.
Does Dr. Alexander Tyan do research?
Dmand AI links 1 publication to Dr. Tyan.
Who does Dr. Alexander Tyan publish with?
Dr. Tyan's most frequent co-authors are Tudor H. Hughes, MD (1 shared paper) and Karen C. McCowen, MD (1 shared paper).
What insurance does Dr. Alexander Tyan accept?
Dr. Tyan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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